L5.The speed r of a moving object is inversely proportional to the time t travelled is written as A f=kt r=k_i/t C t=k π D. t/k= 16. The volume V of a gas at constant temperature varies inversely as the Pressure P. The formula that relates Vto Pis V=kJ'P What kind of varlation is it? A, direct B. inverse C. joint D. combined 17.vvaries inversely as xand y=32 winer x=4 Find the constant of varlation. B.28 C. 36 D.128 18. Which of the following describes an inverse variation? A.